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File Version : V4.50 built by: WinDDK
Description : HUAWEI Mobile CMCC Modem WDM Driver
Copyright : Copyright (c) 1997-2009 MCCI Corporation
Product Version : V4.50
Product Name : HUAWEI Mobile CMCC Modem
Company Name : MCCI Corporation
Internal Name : hwtdmdm.sys
File Size: 158208 byte(s) 154.512 KB
MD5 : 3ae2a4504b9c100c15117512e8c85267
SHA1: 6B8FC2B9E5600209EAC326E71F99FEBC7677AA42

Download HWPEN3.SYS
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How to Install HWPEN3.SYS
Repair Sys ProblemsFixing a corrupted or missing HWPEN3.SYS error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.